Patents by Inventor WEYERHAEUSER NR COMPANY
WEYERHAEUSER NR COMPANY has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20130213276Abstract: A method of curing cementitious material comprising added a carboxylated bleached wood pulp fiber to the material during mixing. The fiber has a carboxyl content of from 10 to 70 meq/100 g cellulose fiber. The fibers are 0.1 to 5% by weight of the dry weight of the cementitious material. The structure produced by the method. The autognous shrinkage of the cementitious material is reduced.Type: ApplicationFiled: April 5, 2013Publication date: August 22, 2013Applicant: WEYERHAEUSER NR COMPANYInventor: WEYERHAEUSER NR COMPANY
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Publication number: 20130210964Abstract: A composition comprising 10 to 50 weight % wood pulp fiber, 45 to 85 weight % thermoplastic polymer and 0.1 to 5 weight % clear mineral oil having a specific gravity less than water. A composition comprising 65 to 85 wt % wood pulp fiber, 15 to 35 wt % thermoplastic polymer and 0.1 to 5 weight % mineral oil having a specific gravity less than water. The wood pulp fiber can be bleached chemical wood pulp fiber.Type: ApplicationFiled: September 27, 2012Publication date: August 15, 2013Applicant: WEYERHAEUSER NR COMPANYInventor: WEYERHAEUSER NR COMPANY
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Publication number: 20130207297Abstract: In the process of forming a wood pulp fiber and thermoplastic polymer composition the step of decreasing the exit area of the mixing device to 40 to 60% of the cross-sectional area of the mixing device.Type: ApplicationFiled: September 27, 2012Publication date: August 15, 2013Applicant: WEYERHAEUSER NR COMPANYInventor: WEYERHAEUSER NR COMPANY
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Publication number: 20130206036Abstract: A composition comprising 10 to 50 wt % wood pulp fiber and 45 to 85 wt % thermoplastic polymer wherein the average dispersion of the fibers within the thermoplastic polymer composition is equal to or greater than 90% as determined by the Dispersion Test. The pulp can be bleached chemical wood pulp fiber.Type: ApplicationFiled: September 27, 2012Publication date: August 15, 2013Applicant: WEYERHAEUSER NR COMPANYInventor: WEYERHAEUSER NR COMPANY
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Publication number: 20130210965Abstract: A composition comprising 10 to 50 wt % wood pulp fiber and 45 to 85 wt % thermoplastic polymer wherein the dilution level for detection in a bag at 40° C. is equal to or less than 450 as determined by ASTM E679.Type: ApplicationFiled: September 27, 2012Publication date: August 15, 2013Applicant: WEYERHAEUSER NR COMPANYInventor: WEYERHAEUSER NR COMPANY
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Publication number: 20130207302Abstract: The process of forming a molded part comprising providing a masterbatch composition comprising 65 to 85 weight percent wood pulp fiber and 15 to 35 weight percent thermoplastic polymer, placing the masterbatch composition directly into an injection molder; adding additional material comprising thermoplastic polymer to provide a let-down composition whereby the let-down composition comprises 20 to 50 weight percent wood pulp fiber and 45 to 85 weight percent thermoplastic polymer, forming molded parts from the injection molder.Type: ApplicationFiled: September 27, 2012Publication date: August 15, 2013Applicant: WEYERHAEUSER NR COMPANYInventor: WEYERHAEUSER NR COMPANY
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Publication number: 20130206035Abstract: A composition comprising 10 to 50 weight % wood pulp fiber and 45 to 85 wt % thermoplastic polymer wherein the composition has a brightness of at least 20 as measured by the Brightness Test. The wood pulp fiber can be bleached chemical wood pulp fiber. The brightness may be at least 30 as measured by the Brightness Test.Type: ApplicationFiled: September 27, 2012Publication date: August 15, 2013Applicant: WEYERHAEUSER NR COMPANYInventor: Weyerhaeuser NR Company
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Publication number: 20130206037Abstract: A molded part comprising 10 to 50 weight % wood pulp fiber, 45 to 85 weight % thermoplastic polymer and having an edge extending between two faces wherein the edge has two tactile defects or less per foot or less of edge length.Type: ApplicationFiled: September 27, 2012Publication date: August 15, 2013Applicant: WEYERHAEUSER NR COMPANYInventor: WEYERHAEUSER NR COMPANY
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Publication number: 20130207295Abstract: The method of making a pellet comprising wood pulp fiber and thermoplastic polymer, comprising extruding an extrudate comprising 10 to 50 weight % wood pulp fiber and 45 to 85 weight % thermoplastic polymer through a die, cutting a pellet from the extrudate, removing the pellet from the extrudate with water having a temperature less than the extrudate, filtering the pellet from the water. In one embodiment the wood pulp fiber in the pellet has a moisture content of 1% or less. In one embodiment the wood fiber does not swell.Type: ApplicationFiled: September 27, 2012Publication date: August 15, 2013Applicant: WEYERHAEUSER NR COMPANYInventor: WEYERHAEUSER NR COMPANY
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Publication number: 20130199731Abstract: The present disclosure includes systems and methods for manufacturing a composite wood product. In some embodiments, the method includes the steps of forming a mat from a plurality of wood elements and an adhesive, the mat having a width W measured substantially perpendicular to a longitudinal axis of the mat and an initial thickness T1. The mat is then moved in a machine direction, the machine direction being substantially parallel to the longitudinal axis and the temperature across the width W of the mat is adjusted. The mat is then compressed into a billet having a final thickness T2. In some embodiments, the system includes a continuous movement mechanism, a side preheat assembly, and a press assembly.Type: ApplicationFiled: March 11, 2013Publication date: August 8, 2013Applicant: WEYERHAEUSER NR COMPANYInventor: WEYERHAEUSER NR COMPANY
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Publication number: 20130167437Abstract: The present disclosure is directed generally towards to embryo insertion systems and methods for use with manufactured seeds. In some embodiments, embryo insertion systems according to the disclosure include an embryo delivery assembly and a fill material deposit assembly. The embryo delivery assembly may include an insertion member, a release assistance member, and a fill material deposit assembly. The fill material deposit assembly may include a fill material containment device, a fill material conveyance device, and optionally, a fill material separation device. Further aspects of the disclosure relate to methods for operating embryo insertion systems according to embodiments of the disclosure to enable simultaneous embryo insertion and fill material delivery.Type: ApplicationFiled: December 13, 2012Publication date: July 4, 2013Applicant: WEYERHAEUSER NR COMPANYInventor: WEYERHAEUSER NR COMPANY
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Publication number: 20130168296Abstract: The present invention is directed to a spray apparatus and methods for the separation of plant embryos.Type: ApplicationFiled: December 18, 2012Publication date: July 4, 2013Applicant: WEYERHAEUSER NR COMPANYInventor: WEYERHAEUSER NR COMPANY
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Publication number: 20130167438Abstract: The present invention is directed to an automated system and methods for separating and singulating plant embryos.Type: ApplicationFiled: December 18, 2012Publication date: July 4, 2013Applicant: WEYERHAEUSER NR COMPANYInventor: Weyerhaeuser NR Company
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Publication number: 20130137862Abstract: Intrafiber crosslinked cellulose pulp fibers manufactured from a plasma-treated pulp sheet are provided. The provided fibers have lower knot content and increased wet bulk compared to an untreated pulp sheet. Methods for forming the fibers are also provided.Type: ApplicationFiled: January 3, 2013Publication date: May 30, 2013Applicant: WEYERHAEUSER NR COMPANYInventor: WEYERHAEUSER NR COMPANY
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Publication number: 20130082128Abstract: A process for making a fibrillated blend of lyocell and cellulose pulp fibers in which a blend of lyocell and cellulose pulp fibers is provided. The lyocell is from 25% to 75% of the total weight of the blend of lyocell and cellulose pulp fibers. The blend is refined in a high shear field device to provide a blend of fibrillated lyocell and pulp fibers having a diameter of 10 to 500 nanometers and a fiber length of 50 to 500 ?m. The high shear field device can be a homogenizer or colloid mill.Type: ApplicationFiled: September 26, 2012Publication date: April 4, 2013Applicant: WEYERHAEUSER NR COMPANYInventor: Weyerhaeuser NR Company
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Publication number: 20130066012Abstract: A resin for OSB comprising an aqueous resole reaction product of phenol, formaldehyde, alkaline metal hydroxide or carbonate, urea and a degraded lignin polymer having 35-65% solids, a pH of 8-13 and a viscosity 50-1000 centipoises. The phenol and formaldehyde are present in a molar ratio of 1.5 to 3.4 moles formaldehyde to 1 mole phenol and are 40 to 85% of the total solids added to the mixture. In one embodiment they are 50 to 75% of the total solids added to the mixture. The alkaline metal hydroxide or carbonate are 5 to 20% of the total solids added to the mixture. Urea is 5 to 35% of the total solids added to the mixture. The degraded lignin is 5 to 20% of the total solids added to the mixture. A method for making the resin and a product using the resin.Type: ApplicationFiled: November 7, 2012Publication date: March 14, 2013Applicant: WEYERHAEUSER NR COMPANYInventor: WEYERHAEUSER NR COMPANY
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Publication number: 20130036690Abstract: The present disclosure is directed generally towards floor panels and flooring drainage systems utilizing two or more interconnected improved floor panels. In some embodiments, the disclosure includes a floor panel having a top surface, a bottom surface, a first longitudinal surface, a second longitudinal surface, a first transverse surface, and a second transverse surface. One or more drainage assemblies are located on either the first transverse surface and/or the second transverse surface. Each of the drainage assemblies include one or more drainage slots and one or more drainage notches. Further aspects are directed towards flooring drainage systems comprising two or more interconnected floor panels according to embodiments of the disclosure.Type: ApplicationFiled: October 16, 2012Publication date: February 14, 2013Applicant: WEYERHAEUSER NR COMPANYInventor: WEYERHAEUSER NR COMPANY